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BOSTON MARATHON 2025

Jillian Heller

Bib: 17998•F

PA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 40%
Gender (Female)
#0 / 12228
Top 23%
Division (F18-39)
#0 / 5469
Top 40%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:30/mi
23:19
↑ 97↓ 3451.5%
10K· 6.21 mi
7:30/mi
46:37
↑ 79↓ 1380.4%
15K· 9.32 mi
7:29/mi
1:09:52
↑ 67↓ 78
20K· 12.43 mi
7:29/mi
1:33:06
↑ 106↓ 860.1%
Half· 13.11 mi
7:24/mi
1:38:09
↑ 19↓ 370.5%
25K· 15.53 mi
7:30/mi
1:56:21
↑ 66↓ 880.2%
30K· 18.64 mi
7:45/mi
2:20:26
↑ 181↓ 1480.2%
20M
7:58/mi
2:31:15
↑ 64↓ 500.2%
21M
8:38/mi
2:39:53
↑ 106↓ 241.6%
35K· 21.75 mi
7:49/mi
2:45:44
↑ 17↓ 861.7%
23M
8:18/mi
2:56:07
↑ 23↓ 630.6%
24M
8:13/mi
3:04:20
↓ 821.3%
40K· 24.85 mi
8:35/mi
3:11:40
↓ 200.3%
25.2M
9:43/mi
3:15:01
↑ 13↓ 160.2%
Finish· 26.22 mi
8:28/mi
3:23:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:09
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:45:30
Pace8:03 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5323:197:3023:19
7:30
-
10K
6.21 mi11:41:1146:377:3023:18
7:30
0:00
15K
9.32 mi12:04:261:09:527:3023:15
7:29
-0:01
20K
12.43 mi12:27:401:33:067:2923:14
7:29
0:00
Half
13.11 mi12:32:431:38:097:295:03
7:24
-0:05
25K
15.53 mi12:50:551:56:217:2918:12
7:30
+0:06
30K
18.64 mi13:15:002:20:267:3224:05
7:45
+0:15
20M
20.00 mi13:25:492:31:157:3410:49
7:58
+0:13
21M
21.00 mi13:34:272:39:537:378:38
8:38
+0:40
35K
21.75 mi13:40:182:45:447:375:51
7:49
-0:49
23M
23.00 mi13:50:412:56:077:3910:23
8:18
+0:29
24M
24.00 mi13:58:543:04:207:418:13
8:13
-0:05
40K
24.85 mi14:06:143:11:407:437:20
8:35
+0:22
25.2M
25.20 mi14:09:353:15:017:443:21
9:43
+1:08
Finish
26.22 mi14:18:133:23:397:468:38
8:28
-1:15

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:24 /mi

Average Pace

7:46 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:21

57% of race

Time at Steady Pace

40:45

20% of race

Time at Slower Pace

46:33

23% of race

Average Pace: 7:46 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:17:5323:197:3023:19
7:30
#12303
10K
6.21 mi11:41:1146:377:3023:18
7:30
#12156
15K
9.32 mi12:04:261:09:527:3023:15
7:29
#11954
20K
12.43 mi12:27:401:33:067:2923:14
7:29
#11570
Half
13.11 mi12:32:431:38:097:295:03
7:24
#11528
25K
15.53 mi12:50:551:56:217:2918:12
7:30
#11248
30K
18.64 mi13:15:002:20:267:3224:05
7:45
#10905
20M
20.00 mi13:25:492:31:157:3410:49
7:58
#10796
21M
21.00 mi13:34:272:39:537:378:38
8:38
#10778
35K
21.75 mi13:40:182:45:447:375:51
7:49
#10778
23M
23.00 mi13:50:412:56:077:3910:23
8:18
#10797
24M
24.00 mi13:58:543:04:207:418:13
8:13
#10873
40K
24.85 mi14:06:143:11:407:437:20
8:35
#10958
25.2M
25.20 mi14:09:353:15:017:443:21
9:43
#11023
Finish
26.22 mi14:18:133:23:397:468:38
8:28
#11227
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi123032964296411642(Top 41%)2711(Top 22%)2711(Top 50%)
10K6.21 mi3.10 mi12156+1472890+742890+7412099(Top 43%)2870(Top 23%)2870(Top 52%)
15K9.32 mi3.11 mi11954+2022806+842806+8411642(Top 41%)2711(Top 22%)2711(Top 50%)
20K12.43 mi3.11 mi11570+3842652+1542652+15410591(Top 37%)2259(Top 18%)2259(Top 41%)
Half13.11 mi0.68 mi11528+422627+252627+2510977(Top 39%)2419(Top 20%)2419(Top 44%)
25K15.53 mi2.42 mi11248+2802515+1122515+11210049(Top 35%)2125(Top 17%)2125(Top 39%)
30K18.64 mi3.11 mi10905+3432414+1012414+1019589(Top 34%)2099(Top 17%)2099(Top 38%)
20M20.00 mi1.36 mi10796+1092408+62408+610201(Top 36%)2538(Top 21%)2538(Top 46%)
21M21.00 mi1.00 mi10778+182434-262434-2611301(Top 40%)3243(Top 27%)3243(Top 59%)
35K21.75 mi0.75 mi107782457-232457-2311009(Top 39%)3107(Top 25%)3107(Top 57%)
23M23.00 mi1.25 mi10797-192506-492506-4912008(Top 42%)3742(Top 31%)3742(Top 68%)
24M24.00 mi1.00 mi10873-762584-782584-7812694(Top 45%)4149(Top 34%)4149(Top 76%)
40K24.85 mi0.85 mi10958-852674-902674-9013931(Top 49%)4917(Top 40%)4917(Top 90%)
25.2M25.20 mi0.35 mi11023-652723-492723-4915689(Top 55%)5900(Top 48%)5900(Top 108%)
Finish26.22 mi1.02 mi11227-2042871-1482871-14816033(Top 56%)6028(Top 49%)6028(Top 110%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

11642

Females

2711

F18-39

2711

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

12099

Females

2870

F18-39

2870

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

11642

Females

2711

F18-39

2711

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

10591

Females

2259

F18-39

2259

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

10977

Females

2419

F18-39

2419

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

10049

Females

2125

F18-39

2125

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

9589

Females

2099

F18-39

2099

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

10201

Females

2538

F18-39

2538

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

11301

Females

3243

F18-39

3243

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

11009

Females

3107

F18-39

3107

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

12008

Females

3742

F18-39

3742

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

12694

Females

4149

F18-39

4149

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13931

Females

4917

F18-39

4917

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15689

Females

5900

F18-39

5900

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2story building
+22ft-21ft

Overall

16033

Females

6028

F18-39

6028

Passing Analysis

Category:
Athletes Passed
2420
Passed By
1344
Net Change
+1076
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12303
5K → 10K332185+147#12303#12156
10K → 15K29593+202#12156#11954
15K → 20K42642+384#11954#11570
20K → Half5210+42#11570#11528
Half → 25K31636+280#11528#11248
25K → 30K41168+343#11248#10905
30K → 20M16859+109#10905#10796
20M → 21M10486+18#10796#10778
21M → 35K56560#10778#10778
35K → 23M106125-19#10778#10797
23M → 24M53129-76#10797#10873
24M → 40K52137-85#10873#10958
40K → 25.2M2388-65#10958#11023
25.2M → Finish26230-204#11023#11227
TOTALS24201344+1076
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing